Machine for cutting rolls



Feb. 25, 1930. R. w. GRAUERT 1,748,474

MACHINE FOR CUTTING ROLLS FiledNov. 21.1928' z'sneets-sneet 1 Y 351;; MUwww Feb. 25, 1930@v R. w. GRAUERT 1,748,474

' MACHINE FOR CUTTING ROLLS A l Filed Nov; 21, 192e 2 sheets-sheet 2WITNESS 03 Patented Feb.A 25,' 1930v 1 mtrn'w. enema, .or wopmbee,meeneem ivrnonrnn .non CUTTING l,Rorgrls f f nppiieafioa mea' november21e-1792s. serial 110,320,923;

` binationand arrangement of parts in aymafchine of thischaracterwherebyjthe production of rolled websectionslrnay be'accom-V ,l@lished easily and'rapidly and'animproved pr'oduct'securedf *j f One ofthe objects'fof:my-inventionis to Aprovide an improvedV arrangement andmount iof )the cutting orlpar'tin'g' "blade with ret spect to the rolledweb-which -is to be-parted VVAfinto sections.` e f f Another object of'my invention -is tol provide an adjustable carriage of improvedconstruction for movably supporting'the parting rvbladewhile at the Sametime'facilit'atingits adjustment longitudinally with respect to the -Kgrolledweb. I j l y 20 Certain constructional features of myimprovedrolled'web parting machine will furthermore appear in thelspecificationand be i speciflcially alluded to Ain the 'l appendedpanying drawings which exemplify my invention in a preferred embodiment.v y j In the drawings:

. y Figure/1 is a top plan view o'fa rollout-v f l an enlarged scale ofthe roll cutting: machine. v

Figure L is an enlarged top plan view and section corresponding to theline 4-4 of Figure 3. l ,Y

Figure 5 is a fragmentary detail section .correspondingv to the line 5-5of Figure 3.

Figure 6 is an enlarged fragmentary sec tion correspondingto the line6-6 of Figure 3.

' According to the embodiment of my invention shown on thefdrawings, theendl frames 1 and2 support a table comprisinga front section 3 and aback section 4 separated by an inverted channel 5. Secured to the flatweb portion of thechannel' is a head stock 6 provided with a pulley 7driven .by a belt 8 which receives its power from a motor (not u shown),said motor being underthe control claims, reference being had to theaccoml' ol'a .hand control lever 9l connected thereto .i

by wires 10. A tail stock ,11' is 4secured yto "the channel section 5,Said tail `stoc'kbeing'proj vided with a crank 1211]":ory vadjusting 1atail :center 13 with respect 'to'a -screwfchuck 143.55Iconnectedto*pulley r-*and driven bybelt 48'. ,v

A' rolled web 155; .which-may be r'wound.-uponfa fh'ollow! tube 15a,mounted upon an arbor e .orfspindle'l and may ibe clamped at one endybetween the radiallyfadjustable jaws .of the 1:;@0

screw-chuck 14:.' The vhead'and tailstocks 'and 11 are vprovided withextensions 17 and Y 18 which carry coaxally arrangedbearings- 19`and20.-' @Scilla-tably mounted in the bearings `119 land 20 isalcarriagelsupporting shaft 1651 21,?a`:guidetprod.22ibeingarrangedjbelow the f vshatt` 21 and mounted "at oppesite ends intheside'iram'es or extensions?? and 18.v vAccord- "ingtothe-presentembodimentloimy inven-V A tion, a suitable cutter carriagemay be prov-l'io :vided as follows.` Ashort-te-rod 23 has its oppositeends rivetedto 'thelouter faces' .of two axially-spaced sider plates24and vserves t0- vgether with" the sleeves 26 and `27 which are ,yinterposed between said side plates to'iorma '76 n i rigid structure-i's""slidablealong .the Y guide rod 22; interposed betweenr-thegside`plates 24 ando'sci'llatable'j` with respect 'thereto/ is' a; sleeve 25which isf adjustable :axially falongthe ojs'illatory's'haft TMO-tintedupon the sleeve 25, isthe hubfporton 28of an arm '29 provided with ahand-grip 3Q. 'A bent arm 31 'provided with a screw. end 32 is threadedZintot'he- `hub portion `.of.leverarm.29 and `iadapted to mp-ngeluponthe oscillatory shaft 85 "4 zl'for'locking the cutter bladenarm-theretoat vany point to which it may be adjusted; `For properly vdeterminingthe'aXial adjustments of' thev lever arm 29 .along the shaft; al. a

scalebar 33ste mounted ron avtransversefbar leo 34-which is secured atYopposite ends to the brackets'or extensions?? and 18.1 cutter Vblade/85which, as shown nFgur'e 6, is-

.tilted with respect to theilever arjm229,.isse cured-to said :leverarm-by means ef a' serew t5.. V36 which carries a' clam-pingwing211111387. 'By' means'of this arrttrlg'mient of' the V.cutter y .blade35 and 'b5/having tjsbevelegil'suffaee' f eajpresenteetoward therelativelfy short sec- "tion'whieh is beingA parteci frmthesellu j 100vvsaid oscillatory shaft.

web at each operation, it will be understood from Figure 5 that the flatside of the cutter blade 35 willbe inclined away from the cutting planeof said cutter blade while the beveled surface 35a is imparting aprogressive,` axial displacement of the parted section. During aclockwise rotation of the rolled web according to Figure 3, the cutterblade will be afforded ample c-learance anda smooth, accurate and rapidparting operation may thus be accomplishe I claim l. In a machine of thecharacter described, the combination with `means for. rotatablysupporting a rolled web, of a shaft oscillatable on an axis parallel totherotary axis of saidfrolled web, a guide rod arranged parallel to saidoscillatable shaft, a carriage comprising laterally-'spaced end plates,rigidly connected Aby a tubular sleeve reciprocable on .said guide rod,another sleeve reciprocable on said shaft land arranged betweensaidlaterally-spaced end plates, releasable. means for securing thelast-mentioned sleeve to said oscillatable shaft, and a cutter blademounted on the last-mentioned sleeve atan inclination to a plane normalt0 the yaxis of said oscillatory shaft, the cutting edge of said cutterblade being movable in said plane.

2. In a machine of the character described, the combination withlaterally spaced side frames, of a rotary chuck journaled in one of saidside frames for receiving one end ofV a rolled web, means mounted in theother of said side frames, forusupportingV the other end of said rolledweb, `a longitudinalshaft having its opposite ends oscillatable in saidframes, of a head stock carried by lone of saidl side-frames, a tailstock mounted on the other of said side-frames, a power-driven chuckjournaled'in said head-stock, said chuck being adapted to rotate aweb-roll supported between said headrand tail stocks, a longitudinalshaft having vits opposite. ends oscillatable in said side-frames, aguide rod arf ranged parallel to'said oscillatable shaft vandextending., between ,said side-frames, a carriage reciprocable on saidguide rod, said carriage comprising laterally-spaced end plates, .andmeans rigidly *uniting y said Vend plates, said means includinga tubularsleeve reciprocableon said guide rod, a sleeve oscillatable relativelyto and arranged between said laterally-spaced end-plates, the last-menitioned sleeve being movable on said oscillatable shaft, releasable meansfor vsecuring said sleeve to said oscillatable shaft in any of itsadjusted positions, a` bracket-arm mounted onsaid adjustablesleeveandprovided with a handle, andv a cutter blade mounted on; said bracket-armin a plane inclined to the axis of said oscillatory shaft. Y

.RALPH W. GRAUERT. j

side frames,'a guide rod arranged parallel to said oscillatable shaftand extending between said side frames, a cutter blade carriagecoinprising laterally spaced `end plates and a tubular sleeve reciprocableyon said guide rod and rigidly uniting said end plates, a sleeveoscillatable relatively to `and arranged between said laterallyspacedend plates, said sleeve being adjustable on said' oscillatable shaft,releasable means for. securing said sleeve to lsaid oscillatable shaftin any of its adjusted positions, and a cutter blade mounted on saidsleeve and inclined t0` 8. In a machine of the character described,thecombination with a rotary chuck for a rolled web, of an oscillatableshaft parallel to the rotary axis of said chuck, va guide rod parallelVto said oscillatable shaft, acarriage reciprocable on said guide rod,said carriage comprising laterally-spaced end plates and a tubularsleevereciprocable on saidV guide rod and rigidly` uniting said endplates, a sleeve oscillatable relatively to and arranged bethe axis of jtween said laterally-spaced end plates, said sleeve being reciprocablyadjustable on said oscillatable shaft, releasable means forsecuringsaidsleeve to said oscillatable` shaft

